From fd8b2a33012e2eefe96864c8f2ee8d3c3c613947 Mon Sep 17 00:00:00 2001
From: NishiOwO <nishi@nishi.boats>
Date: Tue, 10 Mar 2026 06:55:58 +0900
Subject: [PATCH] refactor

---
 src/action/markdown.c | 50 ++++++++++++++++++++++---------------------
 src/util.c            | 26 +++-------------------
 2 files changed, 29 insertions(+), 47 deletions(-)

diff --git a/src/action/markdown.c b/src/action/markdown.c
index 9f28bdf..0188466 100644
--- a/src/action/markdown.c
+++ b/src/action/markdown.c
@@ -225,37 +225,39 @@ static int enter_span(MD_SPANTYPE type, void* detail, void* user) {
 
 		while((str = strstr(href_wd, "./")) == href_wd) href_wd += 2;
 
-		for(i = 0; i < mapping_len; i++) {
-			char* key   = u_strdup(mapping[i]);
-			char* value = strchr(key, '=');
-			char* path_abs;
-			char* href_abs;
+		if(strstr(href_wd, "://") == NULL) {
+			for(i = 0; i < mapping_len; i++) {
+				char* key   = u_strdup(mapping[i]);
+				char* value = strchr(key, '=');
+				char* path_abs;
+				char* href_abs;
 
-			if(value != NULL) {
-				value[0] = 0;
-				value++;
-			}
+				if(value != NULL) {
+					value[0] = 0;
+					value++;
+				}
 
-			path_abs = u_path_combine(argbase, key);
+				path_abs = u_path_combine(argbase, key);
 
-			if(href_wd[0] == '/') {
-				href_abs = u_path_combine(argbase, href_wd);
-			} else {
-				href_abs = u_path_combine(argbase2, href_wd);
-			}
+				if(href_wd[0] == '/') {
+					href_abs = u_path_combine(argbase, href_wd);
+				} else {
+					href_abs = u_path_combine(argbase2, href_wd);
+				}
 
-			if(value != NULL && strcmp(path_abs, href_abs) == 0) {
+				if(value != NULL && strcmp(path_abs, href_abs) == 0) {
+					free(path_abs);
+					free(href_abs);
+					free(href);
+					href = encode(value, -1);
+					free(key);
+					break;
+				}
 				free(path_abs);
 				free(href_abs);
-				free(href);
-				href = encode(value, -1);
-				free(key);
-				break;
-			}
-			free(path_abs);
-			free(href_abs);
 
-			free(key);
+				free(key);
+			}
 		}
 
 		print_indent();
diff --git a/src/util.c b/src/util.c
index b842bd8..841888c 100644
--- a/src/util.c
+++ b/src/util.c
@@ -30,7 +30,7 @@ char* u_strdup(const char* str) {
 }
 
 char* u_path(const char* top, const char* path) {
-	if(strlen(path) > 3 && strstr(path, "://") != NULL) return u_strdup(path); /* link - return as is */
+	if(strstr(path, "://") != NULL) return u_strdup(path);			   /* link - return as is */
 	if(strlen(path) > 2 && memcmp(path, "./", 2) == 0) return u_strdup(path);  /* current directory - probably intended */
 	if(strlen(path) > 3 && memcmp(path, "../", 2) == 0) return u_strdup(path); /* parent directory - also probably intended */
 
@@ -38,7 +38,7 @@ char* u_path(const char* top, const char* path) {
 }
 
 char* u_http_path(const char* top, const char* path) {
-	if(strlen(path) > 3 && strstr(path, "://") != NULL) return u_strdup(path); /* link - return as is */
+	if(strstr(path, "://") != NULL) return u_strdup(path); /* link - return as is */
 
 	return u_strvacat(top, "build/", path, NULL); /* otherwise, concat */
 }
@@ -54,7 +54,7 @@ int u_image_size(const char* top, const char* path, char* (*path_func)(const cha
 
 	p = path_func(top, path);
 
-	if(strlen(p) > 3 && strstr(p, "://") != NULL) {
+	if(strstr(p, "://") != NULL) {
 		free(p);
 		return 0;
 	}
@@ -64,8 +64,6 @@ int u_image_size(const char* top, const char* path, char* (*path_func)(const cha
 		unsigned char png_sig[16] = {
 		    0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a,
 		    0x00, 0x00, 0x00, 0x0d, 0x49, 0x48, 0x44, 0x52};
-		unsigned char gif_sig[6] = {
-		    0x47, 0x49, 0x46, 0x38, 0x39, 0x61}; /* GIF89a */
 
 		fseek(f, 0, SEEK_SET);
 		if(fread(buffer, 1, 16, f) == 16 && memcmp(buffer, png_sig, 16) == 0 && fread(buffer, 1, 13, f) == 13) {
@@ -85,24 +83,6 @@ int u_image_size(const char* top, const char* path, char* (*path_func)(const cha
 			st = 1;
 		}
 
-		fseek(f, 0, SEEK_SET);
-		if(fread(buffer, 1, 6, f) == 6 && memcmp(buffer, gif_sig, 6) == 0 && fread(buffer, 1, 4, f) == 4) {
-			int i;
-
-			*w = 0;
-			*h = 0;
-
-			for(i = 0; i < 2; i++) {
-				*w = (*w) << 8;
-				*w |= buffer[1 - i + 0];
-
-				*h = (*h) << 8;
-				*h |= buffer[1 - i + 2];
-			}
-
-			st = 1;
-		}
-
 		fclose(f);
 	}